Company 冠兰 姜 created these great apps:
PowerReader, PowerReader Lite, PowerReader HD, PowerDocs (Google Docs™ Client), PowerDocs HD (Google Docs™ Client), PowerDocs Lite (Google Docs™ Client), SimpleEditor HD, ZipManager -Zip/Unzip tool, RarExtractor - Extract RAR,ZIP, WiFile, FileSafeBox, Un7z, DBUnarchiver - "Zip/Unzip/Unrar for Dropbox & mail...", Bluetooth - File Transmission, GroupContact, BlueMusic - "Open local music in other apps", GymPlayer, LongTwit, LongTwit HD, iFlashDrive "File Transferrer", QRer, Dragon May Jump, Needle 2D, and others..